The Cisco Catalyst 4000 Series 48-Port 100BASE-FX Line Card can provide up to 240 ports

As modular components, they are easily and inexpensively field-upgradeable as customer requirements change

It is Cost-effective 100BASE-FX connectivity

Cisco offers a wide variety of connectivity, expansion and upgrade modules to accommodate the range of application needs in customer networks. The network modules assure customers that they can choose a connectivity solution that fits their requirements. As modular components, they are easily and inexpensively field-upgradeable as customer requirements change.